The superoxide radical switch in the biology of nitric oxide and peroxynitrite

L Piacenza, A Zeida, M Trujillo… - Physiological …, 2022 - journals.physiology.org
The free radical nitric oxide (· NO) is a key mediator in different physiological processes such
as vasodilation, neurotransmission, inflammation, and cellular immune responses, and thus …

Peroxynitrite: a two-faced metabolite of nitric oxide

RBR Muijsers, G Folkerts, PAJ Henricks… - Life sciences, 1997 - Elsevier
The discovery that nitric oxide (NO) reacts with Superoxide (O2−) forming peroxynitrite
(ONOO−)(1) and the proof that this reaction occurs in vivo (2, 3) holds enormous implications …

Nitric oxide and peroxynitrite in health and disease

P Pacher, JS Beckman, L Liaudet - Physiological reviews, 2007 - journals.physiology.org
The discovery that mammalian cells have the ability to synthesize the free radical nitric oxide
(NO) has stimulated an extraordinary impetus for scientific research in all the fields of …

Oxygen radicals, nitric oxide, and peroxynitrite: Redox pathways in molecular medicine

R Radi - Proceedings of the National Academy of Sciences, 2018 - National Acad Sciences
Oxygen-derived free radicals and related oxidants are ubiquitous and short-lived
intermediates formed in aerobic organisms throughout life. These reactive species …

Nitric oxide-derived oxidants with a focus on peroxynitrite: molecular targets, cellular responses and therapeutic implications

P Calcerrada, G Peluffo, R Radi - Current pharmaceutical …, 2011 - ingentaconnect.com
Nitric oxide participates in a wide array of physiological processes, ranging from
neurotransmission to precursor of cytotoxic effector molecules of the immune system …

Unraveling peroxynitrite formation in biological systems

R Radi, G Peluffo, MN Alvarez, M Naviliat… - Free Radical Biology and …, 2001 - Elsevier
Peroxynitrite promotes oxidative damage and is implicated in the pathophysiology of various
diseases that involve accelerated rates of nitric oxide and superoxide formation. The …

The chemistry of peroxynitrite: a product from the reaction of nitric oxide with superoxide

WA Pryor, GL Squadrito - American Journal of Physiology …, 1995 - journals.physiology.org
Nitric oxide and superoxide, which are produced by several cell types, rapidly combine to
form peroxynitrite. This reaction can result in nitric oxide scavenging, and thus mitigation of …

Oxidative chemistry of nitric oxide: the roles of superoxide, peroxynitrite, and carbon dioxide

GL Squadrito, WA Pryor - Free Radical Biology and Medicine, 1998 - Elsevier
The roles of superoxide (O2•−), peroxynitrite, and carbon dioxide in the oxidative chemistry
of nitric oxide (NO) are reviewed. The formation of peroxynitrite from NO and O2•− is …

Reactions between nitric oxide, superoxide, and peroxynitrite: footprints of peroxynitrite in vivo

JP Crow, JS Beckman - Advances in pharmacology, 1995 - Elsevier
Publisher Summary This chapter examines a number of reaction pathways for nitric oxide,
with the emphasis on assessing their biological relevance. Till date, the fastest reaction for …

Endogenous nitric oxide synthesis: biological functions and pathophysiology

DS Bredt - Free radical research, 1999 - Taylor & Francis
Modern molecular biology has revealed vast numbers of large and complex proteins and
genes that regulate body function. By contrast, discoveries over the past ten years indicate …